8 Mortimer Street London W1T 3JJ

1. 29 Oct 2026

   Received by Westminster

2. 3 Nov 2026

   Added to PlanIndex

3. Decision

   Awaiting decision

   Decision expected by 24 December 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.

   Westminster took a median of 90 days over the applications it decided in the last year.

This application is with Westminster for determination, against a statutory target of eight weeks. Over the last year Westminster decided full applications in a median of 119 days. More in our guide to how long planning decisions take.

A full application seeks permission for a complete, detailed proposal in one go, with siting, design, access and landscaping all fixed at this stage. More in our guide to planning application types.

• Newlands House 37 - 40 Berners Street London W1T 3NA

  25/04048/FULL Submitted 13 Jun 2025 50 yards away

  Infilling of the ground floor undercroft along Mortimer Street (Class E), replacement of ground floor frontage to the whole building and refurbishment of the upper floor facades.

  Granted Full applications 43 docs

• Newlands House 37 - 40 Berners Street London W1T 3NA

  25/09347/ADFULL Submitted 24 Dec 2025 50 yards away

  Details of samples of materials used to clad areas of the ground floor level and upper floors pursuant to condition 5 and 6 of planning permission dated 9th October 2025 (RN: 25/04048/FULL).

  Refused Full applications 4 docs

• Newlands House 37 - 40 Berners Street London W1T 3NA

  26/01866/ADFULL Submitted 23 Mar 2026 50 yards away

  88% historically approved · decision due ~18 May

  Details of samples of ground floor tiling and brick slips not tiles pursuant to Conditions 5 and 6 of planning permission dated 9/10/2025(RN: 25/04048/FULL)

  Awaiting decision Full applications 10 docs

• Newlands House 37 - 40 Berners Street London W1T 3NA

  26/07181/NMA Submitted 21 Oct 2026 50 yards away

  93% historically approved · decision due ~16 Dec

  Amendments to planning permission dated 9th October 2025 (RN:25/04048/FULL) forInfilling of the ground floor undercroft along Mortimer Street (Class E), replacement of ground floor frontage to the whole building and refurbishment of the upper floor facades. Namely, alterations to the approved green roof area at the site.

  Awaiting decision Amendments

• 34 Berners Street London W1T 3LT

  07/09846/AD7 Submitted 14 Nov 2007 50 yards away

  Display for a temporary period of six months of a non-illuminated 'to let' board located on the railings at ground floor level and measuring 0.6m x 0.45m.

  Granted Advertising 2 docs

• 34 Berners Street London W1T 3LT

  07/03253/AD7 Submitted 12 Apr 2007 50 yards away

  Display for a temporary period of six months of a non-illuminated 'to let' board located on the railings at ground floor level and measuring 0.6m x 0.45m.

  Granted Advertising 2 docs

• 26/06234/FULL Decided

  40 Grosvenor Place London SW1X 7HJ

  Use of lower ground floor of Unit 3 and ground floor of Unit 2 as gym (Class E(d)) and/ or office (Class E(g))

  Received 11 Sep, published by the council 18 Sep 2026 Full applications
• 26/07403/FULL Awaiting decision

  Basement Floor And Ground Floor Queen Annes House 34 Queen Anne's Gate London SW1H 9AB

  Refurbishment and enhancement of the building to facilitate its continued use as offices with ancillary residential accommodation, together with associated conservation, restoration, accessibility improvements, building services upgrades, landscaping and ancillary works. Internal and external alterations associated with the repair. (Linked with 26/07404/LBC)

  Received 30 Oct, published by the council 3 Nov 2026 Full applications
• 26/07415/FULL Awaiting decision

  39 Montagu Square London W1H 2LL

  Amalgamation of Flats 3 and 4 (Use Class C3) to form one single dwelling (Use Class C3) including associated internal reconfiguration and refurbishments, alterations to access arrangements and improvements to the existing terrace and private amenity spaces and other associated works. (Linked with 26/07416/LBC)

  Received 30 Oct, published by the council 3 Nov 2026 Full applications
• 26/07401/FULL Awaiting decision

  82 Jermyn Street London SW1Y 6JD

  Use of the ground floor unit as a drinking establishment (Sui Generis).

  Received 29 Oct, published by the council 3 Nov 2026 Full applications
• 26/06015/FULL Decided

  129 Saltram Crescent London W9 3JT

  Erection of a two-storey rear extension.

  Received 3 Sep, published by the council 11 Sep 2026 Full applications